General Electric GE 5Y3 5Y3GT Vacuum Tube Rectifier Black Plate Radio Craftsman RC-2 new in box RCA 12K8Y

new in box RCA 12K8Y tube -- and another just like it -- tested to spec on Paul Hart-calibrated TV7/U

This is a surprising-lush

Silvertone-BRANDED 6K7GT tubes was tested on our Paul Hart-calibrated TV7/U for shorts

65 and 79 where minimum (65%) is 45

General Electric GE 5Y3 5Y3GT Vacuum Tube Rectifier Black Plate Radio Craftsman RC-2 new in box RCA 12K8YThis black plate GE 5Y3GT rectifier tube was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. It measured 55 50 where minimum (65%) is 40 40 and 100% is 62 62. It has a top, D getter, excellent flashing and 5 04 188 5 date factory codes. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT